William j



(No Model.)

W. J. OWENS.

GHATE.

No. 440,605. Patented Nov. 11, 1890.

INVENTOIQ saw WITNE UNITED STATES PATENT OFFICE;

IVILLIAM J. OWENS, OF UTICA, NEW YORK, ASSIGNOR TO THE KERNAN FURNACECOMPANY, OF SAME PLACE.

GRATE.

SPECIFICATION forming part of Letters Patent No. 440,605, dated November11,1890.

Application filed June 18,1890- Serial No. 355,832- (No model.)

To all whom it may concern.-

Be it known that I, WILLIAM J. OWENS, of Utica, in the county of Oneidaand State of New York, have invented certain new and useful Improvementsin Grates; and I do hereby declare that the following is a full, clear,and exact description of the invention, which will enable others skilledin the art to which it appertains to make and use the same, referencebeing had to the accompanying drawings, and to the figures of referencemarked thereon, which form part of this specification.

My invention relates to improvements in grates for hot-air furnaces.

In the drawings which accompany and form a part of this specification,and in which similar figures of reference refer to corresponding partsin the several figures, Figure 1 shows a plan view of a furnace-grateand ash-pit having my improvements. Fig. 2 is a cross-section of thegrate-bars on line A B of the gratebars and on a central line of aportion of the fire-pot and the furnace-base. Fig. 3 is a top view of aportion of the furnace-base and also shows a removable. section ofgrate, hereinafter more fully described.

My invention consists more particularly in providing a removablegrate-section inside of a furnace at the base of the fire-pot and havingprojecting fingers extending inwardly toward the grate and onsubstantially the same plane with the surface of the grate to span thespace between the inner surface of the fire-pot and the side of thegrate-bar, and are designed for use more especially in furnaces havingcircular fire-pots and rotating gratebars, but may be used in any heateremploying rotating grate-bars where a space is left between the side ofthe grate-bar an d the walls of the fire-pot.

I employ rotating grate-bars 1, mounted in the base to be rotated. Atthelateral sides of the bars, between them and the inner wall of thefire-pot, I provide removable grateseotions 2, arranged upon either sideof the grate, each provided with fingers 3, extending inwardly onsubstantially the same horizontal plane with the surface of the grateand spanning the space between the lateral edges of the grate and theside of the fire-pot, and also provided with a downwardly-extending arm2 which passes below the supporting-hooks or rim of the removablegrate-section and engages against the inner surface of the outer wall ofthe furnace-base to aid in supporting the grate-section with the fingers3 in a horizontal position. Removable sections 2 are formed in thesegment of a circle to fit the wall of the fire-pot on the outside, andare removably secured in place by hooks or flange 5 on the base of thefurnace, arranged to en gage in openings or depressions 4 on the underside of the removable grate-section.

Other means of attaching and detaching the sections, the substantialequivalent of that here described, will readily suggest themselves.

The drawings accompanying this application disclose substantially theform of gratebar claimed in my other pending application, Serial No.355,833.

What I claim as new, and desire to secure by Letters Patent, is

1. In a furnace or heater, the removable grate-sections fitting a partof the inner contour of the fire-pot and having projecting fingersextending inwardly in substantially the same plane with the surface ofthe grate bars, a hook or flange on the fire-pot or furnace-base, andsuitable openings or depressions in the removable section adapted toengage the hooks, substantially as set forth.

2. In a heater, the removable grate-sections fitting a portion of theinner contour of the fire-pot, having projecting fingers extendinginwardlyin substantially the same plane with the surface of the grateand provided with grooves, and the flanges on the base for engaging thegrooves, substantially as set forth.

3. The combination, in a furnace, of a removable gratesection having anopening or depression on its under side, and a hook or flange on thefurnace-base adapted to engage the grate-section in the opening ordepression and support it in line with the surface of th grate-bars.

4:. The combination, with a furnace, of the grate-section having anopening or depression and a downwardly-extending arm adapted to Inwitness whereof I have affixed my signaengage with the furnace-base, anda hook or cure in presence of two Witnesses.

flange on the furnace-base, adapted to engage the opening or depressionin the grate-section, and in connection With the downwardly-extendingarm support the grate-section substantially in line with the grate-bars,substantially as set forth.

VILLIAM J. OW'ENS.

Witnesses:

M. E. ROBINSON, EDWIN H. RIDLEY.

